CHALLENGE #####!!!!!! ADD NUMBER IN STRING

Question

ADD number in string without using any built in function like isdigit

For example
string name="on this table 3 books and 4 pen";
output 3+4=7
answer =7

Answer 1

no but suddenly i think about it i already did ot by using bulit in function and now i am stuck because i am trying to do it without using built in function

Answer 2

Muhammad Zubair Irshad hi, u can check this out, let me know if this kinda coding u were looking for.

https://code.sololearn.com/cn5lI0xxxiZa/?ref=app

Answer 3

Did someone told you to do this?

Answer 4

My code has a bug... do you want me to show it?

Answer 5

This could simply be done by having a conditonal if statement and using charAt. By iteraring through the string. If the postion is a number between 0-9; add it.

Answer 6

Ben will you please post a code in c++

Answer 7

Muhammad Zubair Irshad hi, check out now, without builtin std::isdigit(). i hope that follows the challenge constrain.

https://code.sololearn.com/cn5lI0xxxiZa/?ref=app

Answer 8

Do you mean "SUM" ?

Answer 9

yes

Answer 10

Ben will u please put complete code in comment box

Answer 11

https://code.sololearn.com/crRQqjrVmEKR/?ref=app

The code has been posted. If you have any questions let me know. It is better to understande the code.

Answer 12

please post a code in C++

Answer 13

Flash its awsome but you were use isdigit function .
without use any built in function is it possible??